The phrase "acting as interim" is correct and usable in written English.
It can be used when describing someone who is temporarily fulfilling a role or position until a permanent replacement is found.
Example: "She is acting as interim manager while the search for a new candidate is underway."
Alternatives: "serving as temporary" or "functioning as provisional".
The chief justice of the Supreme Court, Boniface Alexandre, is acting as interim president.
Lord Mountbatten would be the strongman, acting as interim prime minister.
The group, which is led by president Mick Crossan and has former Exiles captain David Fitzgerald acting as interim executive chairman, has acquired a major shareholding in the company.
Australia are currently touring South Africa, with Troy Cooley acting as interim coach.
Rae has been acting as interim chairman since Mark Serrell left in February.
As it stands today, Melissa Doval, who became CFO of Kairos in July, is acting as interim CEO.
In what now seems a staggering oversight, the authors of a 2007 interim constitution never imagined that the Constituent Assembly, charged with the task of writing the permanent constitution and acting as an interim legislature, might fail to complete its work.
TRIPOLI, Libya — Three weeks after Tripoli fell to rebel forces, the man acting as their interim government's prime minister, Mahmoud Jibril, made his first public appearance in Tripoli, the capital, at a news conference.
Erstwhile director Ram Mynampati Ram Mynampati had been acting as Satyam’s interim chief executive, an appointment that was ironically, blessed by the outgoing chairman and chief architect of the scam.
Only a few months after closing an $11 million funding round, the company was forced to lay off 13 employees, and then saw its CEO Konstantin Guericke resign (VP Engineering Bahman Koohestani is acting as an interim CEO).
Together with CZI's head of Product, Sandra Liu Huang, who'd been acting as its interim head of technology, they'll be tackling massive technology products that could improve medicine, research and education.
